Finding the Fourth Proportional to 1,450,815.98, 2,177,905.32 and 778,211.02
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Solution
The fourth proportional to 1,450,815.98, 2,177,905.32 and 778,211.02 is: 1,168,218.39
Step by Step Solution
- Step 1: Write the proportion equation
1,450,815.98 : 2,177,905.32 = 778,211.02 : x - Step 2: Convert to fraction form
1,450,815.98/2,177,905.32 = 778,211.02/x - Step 3: Cross multiply
1,450,815.98x = 2,177,905.32 × 778,211.02 - Step 4: Simplify right side
1,450,815.98x = 1,694,869,909,651.10 - Step 5: Solve for x
x = 1,694,869,909,651.10/1,450,815.98 - Step 6: Final answer
x = 1,168,218.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.